Tag: form 4 geography notes

Agricultural production in several countries and ecological regions has always been at stake due to the outbreak of pests and diseases, which reduces crops and animals quality and quantities.

Agriculture is the growing of crops and rearing of animals. This topic focuses on the effects of climate change on agriculture, mitigation and adaptation measures to effects of climate change, agriculture pests and diseases, urban agriculture andAgri business.

Most countries like Zimbabwe have adopted international conventions in order to join the international community in fighting Environmental degradation.

A protocol is an agreement that is drafted and signed by negotiators to form the basis for final conventions or treaties. It may take years after a protocol has been signed, for a treaty to be completed.

Air, water, land, and forests constitute our environment. If these components are not properly managed, human existence can be difficult. Mankind depends on the environment and in turn the environment depends on humans for proper management.

Cost- Benefit- Analysis shortened as (CBA) is the process of identifying and evaluating the benefits of a project and then subtracting the costs of undertaking the project.

Minerals  are  non-renewable  resources  which  have been  used  by  mankind  for centuries. Many societies have changed due to discovery of minerals. Increasing population pressure has led to pressure on the use of mineral resources.

Geographic Information Systems (GIS) has become an integral part of spatial analysis. GIS make use of Boolean logic and overlays to improve the robustness of spatial analysis.

Soil characteristics are described in terms of texture, structure, colour, organic content, and chemical composition. These characteristics vary from one soil type to another. The major soil types are sandy, clay, silt and loan.